Sacramento, California

Regional Weather Alerts


     
Alert: Coastal Flood Advisory
Area(s): North Bay Interior Valleys; San Francisco Bay Shoreline
Effective: 2026-01-31 @ 6:04 am -> 2026-02-01 @ 2:00 pm
Onset: 2026-01-31 @ 6:04 am -> 2026-01-31 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-01-31 @ 6:04 am
Headline: Coastal Flood Advisory issued January 31 at 4:04AM PST until February 1 at 12:00PM PST by NWS San Francisco CA
Description: * WHAT...Up to 1.3 ft of inundation above ground level is
 possible in low-lying areas near shorelines and tidal
 waterways.
* WHERE...Bayshore locations along the San Francisco Bay and San
 Pablo Bay.
* WHEN...Until noon PST Sunday.
* IMPACTS...Flooding of lots, parks, and roads with only
 isolated road closures expected.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
 tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at
 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW)
 at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft
 of storm surge from an incoming moderate to long period swell
 that will enhance the astronomical tide and flooding threat.
 High tide timing varies up to 90 minutes earlier or later
 along the Pacific Coast and through the San Francisco Bay,
 respectively.
Alert: Coastal Flood Advisory
Area(s): San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-01-31 @ 6:04 am -> 2026-02-01 @ 2:00 pm
Onset: 2026-01-31 @ 6:04 am -> 2026-01-31 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-01-31 @ 6:04 am
Headline: Coastal Flood Advisory issued January 31 at 4:04AM PST until February 1 at 12:00PM PST by NWS San Francisco CA
Description: * WHAT...For the Beach Hazards Statement, an increased risk of
 sneaker waves and strong rip currents with breaking waves of
 14 to 19 feet. For the Coastal Flood Advisory, up to 1.3 ft of
 inundation above ground level is possible in low-lying areas
 near shorelines and tidal waterways.
* WHERE...San Francisco and Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until noon PST Sunday.
 For the Beach Hazards Statement, through 9 AM PST Monday
 morning.
* IMPACTS...Flooding of lots, parks, and roads with only
 isolated road closures expected. Dangerous conditions are
 forecast along the shoreline. Hazards include sneaker waves,
 strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
 tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at
 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW)
 at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft
 of storm surge from an incoming moderate to long period swell
 that will enhance the astronomical tide and flooding threat.
 High tide timing varies up to 90 minutes earlier or later
 along the Pacific Coast and through the San Francisco Bay,
 respectively.
Alert: Beach Hazards Statement
Area(s): Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: 2026-01-31 @ 6:04 am -> 2026-02-02 @ 11:00 am
Onset: 2026-01-31 @ 6:04 am -> 2026-01-31 @ 4:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-01-31 @ 6:04 am
Headline: Beach Hazards Statement issued January 31 at 4:04AM PST until February 2 at 9:00AM PST by NWS San Francisco CA
Description: * WHAT...An increased risk of sneaker waves and strong rip
 currents with breaking waves of 14 to 19 feet.
* WHERE...Pacific Coast beaches.
* WHEN...Through 9 AM PST Monday morning.
* IMPACTS...Dangerous conditions are forecast along the shoreline.
 Hazards include sneaker waves, strong rip currents, and large
 breaking waves.
Alert: Beach Hazards Statement
Area(s): San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-01-31 @ 6:04 am -> 2026-02-02 @ 11:00 am
Onset: 2026-01-31 @ 6:04 am -> 2026-01-31 @ 4:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-01-31 @ 6:04 am
Headline: Beach Hazards Statement issued January 31 at 4:04AM PST until February 2 at 9:00AM PST by NWS San Francisco CA
Description: * WHAT...For the Beach Hazards Statement, an increased risk of
 sneaker waves and strong rip currents with breaking waves of
 14 to 19 feet. For the Coastal Flood Advisory, up to 1.3 ft of
 inundation above ground level is possible in low-lying areas
 near shorelines and tidal waterways.
* WHERE...San Francisco and Monterey Bay.
* WHEN...For the Coastal Flood Advisory, until noon PST Sunday.
 For the Beach Hazards Statement, through 9 AM PST Monday
 morning.
* IMPACTS...Flooding of lots, parks, and roads with only
 isolated road closures expected. Dangerous conditions are
 forecast along the shoreline. Hazards include sneaker waves,
 strong rip currents, and large breaking waves.
* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high
 tide is expected to be: 1.3 ft above normal (7.20 ft MLLW) at
 9:30 AM Saturday 1/31 and 1.2 ft above normal (6.96 ft MLLW)
 at 10:22 AM Sunday 2/1. These predictions include up to 0.3 ft
 of storm surge from an incoming moderate to long period swell
 that will enhance the astronomical tide and flooding threat.
 High tide timing varies up to 90 minutes earlier or later
 along the Pacific Coast and through the San Francisco Bay,
 respectively.
Alert: Coastal Flood Advisory
Area(s): Northern Humboldt Coast
Effective: 2026-01-31 @ 12:49 am -> 2026-01-31 @ 2:00 pm
Onset: 2026-01-31 @ 10:00 am -> 2026-01-31 @ 1:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-01-31 @ 12:49 am
Headline: Coastal Flood Advisory issued January 30 at 10:49PM PST until January 31 at 12:00PM PST by NWS Eureka CA
Description: * WHAT...High astronomical tides will cause minor flooding in
 low lying areas around Humboldt Bay. Up to 0.5 foot of
 saltwater inundation above ground level is possible near
 shorelines and tidal waterways. Between 8.8 and 9.1 feet MLLW
 at the North Spit tide gauge is predicted.
* WHERE...Northern Humboldt Coast County.
* WHEN...From 8 AM to noon PST Saturday. High tide is at 10:03
 AM at the Humboldt Bay North Spit tide gauge. Saltwater
 inundation will be possible 1 to 2 hours before and after high
 tide.
* IMPACTS...Flooding of low lying areas around Humboldt Bay
 including parks and roads with only isolated closures
 expected. Flooding will likely impact Jackson Ranch Road in
 the Arcata Bottoms and several roads in King Salmon.
Alert: Dense Fog Advisory
Area(s): Los Banos - Dos Palos; Merced - Madera - Mendota; Planada - Le Grand - Snelling; Coalinga - Avenal; West Side of Fresno and Kings Counties; Caruthers - San Joaquin - Selma; Fresno-Clovis; Buttonwillow - Lost Hills - I5; Delano-Wasco-Shafter; Hanford - Corcoran - Lemoore; Visalia - Porterville - Reedley; Buena Vista; Bakersfield; Southeast San Joaquin Valley; South End San Joaquin Valley
Effective: 2026-01-30 @ 10:37 pm -> 2026-01-31 @ 2:00 pm
Onset: 2026-01-31 @ 12:00 am -> 2026-01-31 @ 10:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Hanford CA on 2026-01-30 @ 10:37 pm
Headline: Dense Fog Advisory issued January 30 at 8:37PM PST until January 31 at 12:00PM PST by NWS Hanford CA
Description: * WHAT...Visibility one quarter mile or less in dense fog. Worst
 case scenario, visibilities down to zero.
* WHERE...San Joaquin Valley.
* WHEN...Until noon PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Highways include, but are not limited to
 Interstate 5, State Routes 99, 41, 43, 46, 58, 59, 140, 152, 165,
 180 and 198.
Alert: Dense Fog Advisory
Area(s): Central Sacramento Valley; Southern Sacramento Valley; Carquinez Strait and Delta; Northern San Joaquin Valley
Effective: 2026-01-30 @ 2:45 pm -> 2026-01-31 @ 2:00 pm
Onset: 2026-01-31 @ 2:00 am -> 2026-01-31 @ 2:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Sacramento CA on 2026-01-30 @ 2:45 pm
Headline: Dense Fog Advisory issued January 30 at 12:45PM PST until January 31 at 12:00PM PST by NWS Sacramento CA
Description: * WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Carquinez Strait and Delta, Central/Southern Sacramento
 Valley, Northern San Joaquin Valley.
* WHEN...From midnight tonight to noon PST Saturday.
* IMPACTS...Low visibility could make driving conditions hazardous.